diff --git a/include/sound/sof.h b/include/sound/sof.h
index 6a1cd8e783d8..23b374311d16 100644
--- a/include/sound/sof.h
+++ b/include/sound/sof.h
@@ -74,11 +74,6 @@ struct sof_dev_desc {
 	int resindex_pcicfg_base;
 	int resindex_imr_base;
 	int irqindex_host_ipc;
-	int resindex_dma_base;
-
-	/* DMA only valid when resindex_dma_base != -1*/
-	int dma_engine;
-	int dma_size;
 
 	/* IPC timeouts in ms */
 	int ipc_timeout;